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  • Committer: mbp at sourcefrog
  • Date: 2005-04-09 05:09:10 UTC
  • Revision ID: mbp@sourcefrog.net-20050409050910-e7b81c0a5307a9b50ca9997b
show compression ratio

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bzrlib/revfile.py
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        This does the compression if that makes sense."""
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        flags = 0
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        if len(data) > 50:
 
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        data_len = len(data)
 
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        if data_len > 50:
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            # don't do compression if it's too small; it's unlikely to win
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            # enough to be worthwhile
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            compr_data = zlib.compress(data)
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            if len(compr_data) < len(data):
 
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            compr_len = len(compr_data)
 
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            if compr_len < data_len:
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                data = compr_data
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                flags = FL_GZIP
 
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                print '- compressed %d -> %d, %.1f%%' \
 
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                      % (data_len, compr_len, float(compr_len)/float(data_len) * 100.0)
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        idx = len(self)
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        self.datafile.seek(0, 2)        # to end